Cervical C7 ganglion cyst causing compressive myelopathy: A rare case report

Juxtafacet cysts, synovial and ganglion cysts, emanate from the facet joints. Patients with these cysts are typically asymptomatic but may rarely present with radiculopathy and/or myelopathy.

A 72-year-old female presented with a 1-month history of progressive lower extremity weakness (left more than right), numbness, and urinary incontinence. Notably, she also had a C7 sensory level to pin appreciation of 1-month duration. The magnetic resonance imaging showed an extradural C7 cystic lesion whose capsule enhanced with gadolinium, causing severe cord compression. The patient underwent a left C7 hemilaminectomy for complete excision of the cyst; postoperatively in 2-weeks duration, she regained full neurological function. The final histopathology was consistent with a ganglion cyst.

Cervical juxtafacet cysts rarely cause compressive myelopathy. They may be readily diagnosed and resected with excellent postoperative outcomes.